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"translatedContent": "<p>给定长度为 <code>2n</code><strong> </strong>的整数数组 <code>nums</code> ,你的任务是将这些数分成 <code>n</code><strong> </strong>对, 例如 <code>(a<sub>1</sub>, b<sub>1</sub>), (a<sub>2</sub>, b<sub>2</sub>), ..., (a<sub>n</sub>, b<sub>n</sub>)</code> ,使得从 <code>1</code> 到 <code>n</code> 的 <code>min(a<sub>i</sub>, b<sub>i</sub>)</code> 总和最大。</p>\n\n<p>返回该 <strong>最大总和</strong> 。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [1,4,3,2]\n<strong>输出:</strong>4\n<strong>解释:</strong>所有可能的分法(忽略元素顺序)为:\n1. (1, 4), (2, 3) -> min(1, 4) + min(2, 3) = 1 + 2 = 3\n2. (1, 3), (2, 4) -> min(1, 3) + min(2, 4) = 1 + 2 = 3\n3. (1, 2), (3, 4) -> min(1, 2) + min(3, 4) = 1 + 3 = 4\n所以最大总和为 4</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [6,2,6,5,1,2]\n<strong>输出:</strong>9\n<strong>解释:</strong>最优的分法为 (2, 1), (2, 5), (6, 6). min(2, 1) + min(2, 5) + min(6, 6) = 1 + 2 + 6 = 9\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 10<sup>4</sup></code></li>\n\t<li><code>nums.length == 2 * n</code></li>\n\t<li><code>-10<sup>4</sup> <= nums[i] <= 10<sup>4</sup></code></li>\n</ul>\n",
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"hints": [
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"Obviously, brute force won't help here. Think of something else, take some example like 1,2,3,4.",
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"How will you make pairs to get the result? There must be some pattern.",
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